52
Allantois5587830215173235297413541616732794883
is1485759024067166
a16917590240118
finger–shaped18577590240671292593734865816967949211033116212741403
outgrowth330075902401272553304435386588379141042
of43807590240127195
the4623759024076204316
posterior49807590240133256354430541636698821915
intestine,5944759024058188264375474550612742854899
vessels68777590240121229328426539599698
grow76197590240119214333512
along81727590240118178301430544
it8764759024060139
to8954759024076197
the6991050024181209321
chorion106410500241106233355450512635764
–187010500241120
providing203410500241133231354470536668734867985
nutrition306410500241135263338433496572634756885
and398510500241117247376
respiration440410500241992123154475126117238048709971129
of557610500241128196
the58201050024175204315
embryo.617910500241117313439532649767811
At703410500241150223
the73061050024175203315
2nd766510500241133262391
month809810500241200322450527655
of879610500241128198
embryogenesis,580133802401173164465436637859021018115212681370143615391586
allantois221113380240117178238350480556677739838
is30971338024058157
reduced32951338024099208337465565677806
inmammals,414913380240611914295417369311043110312011246
and543813380240117247376
in58621338024059189
birds609013380240131193288413511
it66491338024058135
reaches68231338024099208321423550662761
large76321338024059171266379491
sizes.816113380240104165270383482526
The872513380240143273387
products233016260240133228347475603703780878
of325016260240128196
the34861626024081209321
chick's384816260240106233295396517569667
metabolism4556162602402003123895016287508108729711166
accumulate57621626024011821932044764276982994110181128
in69381626024062192
it.71781626024056136186
Extraembryonic990167036017633946459075993812301422154817191908210021872337
membranes3394167036029347376495710831252144416231766